ND Tace: yawa photo. Me bukatar ND-tace?

Kila kowane haifar da daukar hoto tunani game da tambaya, kamar yadda kwararru bugu a kan su images blurry m girgije, waterfalls, m, kamar yadda idan tana tattare a cikin hazo, ruwa gudana? A wannan yanayin, don sabon ba shi yiwuwa a cimma wata irin wannan sakamako ta hanyar yin amfani da wani hankali rufe gudun.

Wannan shi ne saboda sana'a masu daukan hoto amfani da tsaka tsaki yawa tace ND. Ba za a rikita batun tare da dan tudu tace - su duhu ne kawai a wasu rabo daga cikin firam.

ND-tace an tsara zuwa sha haske da cewa ya wuce ta su, kuma a lokaci guda ba ya shafar launi haifuwa. Wannan yanayin ba da daukar hoto wa girmama da daukan hotuna lokaci.

ND-tace yawa (adadin haske daukar kwayar cutar da su) za a iya bambanta.

A wannan labarin, za ka koyi yadda za su yadda ya kamata amfani da ND-tacewa.

Mene ne ND-tace? photo

ND tace ND da aka kira a Semi-m yanki na gilashin, wanda aka haɗe zuwa ƙarshen gaban ruwan tabarau. Yawanci, da tace ko dai colorless ko aka yi na launin toka gilashin cewa tubalan da wani gwaji adadin haske, sa'an nan kare hotuna daga overexposure.

ND tace zai iya canja ko rage tsanani da dukkan launuka haske tãguwar ruwa, ko daidai, wato, ba tare da shafi cikin launi inuwa. Saboda haka ya samu da sunan da.

Inda m ND tace?

Sana'a masu daukan hoto amfani da wadannan tacewa ne, misali, a kan haske scenes lit da spotlights. ND tace sosai yadda ya kamata ya hana a shigar azzakari cikin farji na haske a cikin ragi tsararru kamara, wanda ba ka damar samun daidaita daukan hotuna ba tare da shafi launi. Shi ne iya duhu dukan scene, ya dawo da shi zuwa ga al'ada matakin da haske haka cewa kyamara shi ne iya kama shi. Idan ka shirya cire gani ko dauki hotuna a ranar da rana, akwai kuma amfani ND-tace.

Manufar mataimakin daukar hoto don ba da damar mafi m aiki tare da diaphragm, blurry abubuwa da kuma daukan hotuna, ba tare da shan cikin lissafi da na yanayi yanayi. sakamakon blurring, wanda halitta wani ND tace, ne musamman wuya a sake koda kwamfuta aiki na ƙãre image. Kuma inda wannan mai yiwuwa ne, da aiki zama sosai tsawon kuma laborious tsari.

Abin da ND tace zo a cikin m?

• Domin rage zurfin filin a sosai haske.
• Don ganganci ƙirƙirar blurring sakamako da motsi na daban-daban abubuwa.
• Domin ƙara da tsawon daukan hotuna ba tare da compromising da image.

Ta yaya zan iya amfani da tsaka tsaki yawa tace?

The jakar na wani wuri mai faɗi da daukar hoto za ka sami ND tace. Duk da haka, magoya suna mai daraja da yawa kasa. Kila, saboda da farko duba, ND-tace kama wani translucent darkish yanki na gilashi.

Wannan daukar hoto ta mataimaki ba zai yi bayyane canje-canje a cikin sakamakon hoto: ya kawai ya yi "soaking" na image haske Na'urar haska ne dan kadan karami.

Duk da haka, idan ka yi amfani da shi, da harbi motsi abubuwa, kamar a kogi, girgije, dabbobi, da kuma ko da mutane, - ND tace otroet a sararin samaniya na Unlimited m yiwuwa. "Daskarewa" waterfall talakawa daukan hotuna, ka samu m, kuma a tsaye image yayin da yin amfani da dogon rufe gudu da kuma a tace, za ka iya samun wani mashahurin hoto a kudi na wani kyakkyawan blur fadowa saukad.

Sassauci, wanda ba tsaka tsaki yawa tace za a iya amfani da dama hanyoyi daban-daban: zabi da ake so rufe gudu da kuma budewa darajar, ba tare da neman a waje yanayin da ya yi shibtar da dokoki na harbi.

Idan photo shoot da aka gudanar a rana safe ko da rana, sa'an nan ta amfani da ND-tace, yana yiwuwa a rage gudu domin canza wurin da ya ji. Duk da haka, mafi m hotuna na daukar hoto ta mataimakin taimaka don samun shi a yamma ko a lokacin asuba. A daukar hoto iya lashe kadan lokaci daukan hotuna - a zahiri 'yan seconds, kuma haka wakilci splashing na cikin tãguwar ruwa m hazo.

iri tace

Sana'a Stores suna shirye su ba masu daukan hoto da dama tacewa. Da aka fi amfani - shi ne farantin tace, saka a kan fasteners (frame mariƙin da annular adaftan) da kuma ciwon madauwari thread domin kai tsaye hawa zuwa haƙiƙa ruwan tabarau.

ND-tace: abin da ake bukata?

Saboda haka, za mu zo da fun part. Abin da zai iya taimaka ND tace a cikin tsari na shan hotuna? Yana yana da uku main ayyuka.

A farko aiki - dogon daukan hotuna

Sana'a masu daukan hoto da suka sami kwarewa a karkashin bel, yawanci son harba shimfidar wurare da kuma yanayi a jinkirin rufe gudu. Hotuna daga "softening" na tãguwar ruwa da girgije, Heart look surreal ruwa saboda ta fuzziness.

Idan kana da wani amfani a cewa, a lokacin da shan hotuna a cimma sakamako na asiri, kuma otherworldliness, sa'an nan dole ne ka saya tace ND. Amfani da dogon daukan hotuna na bukatar jinkirin rufe gudun, da bi da bi za su daidai kama wani firam motsi girgije ko hazo da na ruwa. Duk da haka, akwai wani gargadi. A wasu lokuta, overexposure iya faruwa saboda gaskiyar cewa saboda da jinkirin rufe gudun a wuce haddi na wani matrix da haske da dama.

ND tace, wanda za ka yi amfani da a ƙarshen gaban da ruwan tabarau, toshe haddi haske, don haka ba za ka iya amfani da wani jinkirin rufe gudun.

Na biyu aiki ne domin a samu saukin tashin blur a cikin firam

Baruwan ND-tace kuma za a iya amfani da lokacin shan hotunan lokacin yana da muhimmanci a nuna gabar motsi. Saboda haka, maimakon motsi kama, kamar tsayawa batu, mai daukar hoto iya rage rufe gudun, da kuma amfani da tace domin ya haifar da wani blurring sakamako.

The uku aiki - rage zurfin filin

tsaka tsaki yawa tace (ND) za a iya amfani da su rage zurfin filin hotuna. Maimakon haka, domin rage budewa, wanda ya takaita daukan hotuna da matrix, za ka iya ƙara tace cewa zai samar da zabe zurfin filin da kuma a lokaci guda, iyakance adadin haske. Saboda haka za ka iya samun mai kyau hoto na zaba abu, wanda aka located a kan wani kyakkyawan bango.

Saya ND-tace: abin da kuke bukatar la'akari?

Mutane da yawa masu daukan hoto ake yi mamaki game da abin da irin ND-tace to zabi. Abin da halaye ya kamata kula zuwa? Wa zai gaya!

Materials da Coatings

A quality, ya kuma inganta da kudin da tace to shafi wani yawan abubuwan. Wadannan ne, da kuma kayan daga abin da aka yi da wani m for kamara kuma ta shafi. ND tace iya sanya na guduro, gilashin, ko polyester. A mafi arha na wadannan kayan ne na karshe. Duk da haka, ya kuma ƙara tarwatsa daukar kwayar cutar haske therethrough.

Akwai su da yawa daban-daban na coatings cewa nasarar rage sakamako na maimaita image da kuma daukan hotuna, alhãli kuwa baki aluminum da kambun da gilashin rimmed taimako don rage vignetting.

Farantin tace ko tace thread: Abin da ya fi so?

Zagaye tace da kananan size, sauki shigar, amma suna hana wani muhimmin rarrabẽwa - sassauci. Sau da yawa, a hade da dama tacewa take kaiwa zuwa wani matsala da vignetting, yayin da musamman dauka tace ya dace kawai karkashin wani diamita hawa da ruwan tabarau.

Don amfani da square farantin tace bukatar frame-mariƙin da adaftan da zobe. Wašannan nau'urorin kamata ko da yaushe kawo.

Expand da tsarin da za a shigar square farantin tace ba haka suke ba dadi, amma shi ba ka damar da sauri da kuma sauƙi hada tacewa. A sakamakon haka, ku muhimmanci ƙara da daukan hotuna lokaci.

Babban da babban amfani da farantin tace shi ne cewa shi zai iya sauri maye gurbin ko hada shi da wasu sauran saitin da dama faranti. Haka kuma, irin wannan hade iya hada ba kawai daya musamman, amma da dama iri tacewa. ND farantin za a iya hade tare da sauran iri tace, kamar rabuwa ko tsaka tsaki dan tudu.

Hub zobba da adaftan

Dole ne ka sayi wani cheap zobe adaftan, dace da kowane abu da ka yi amfani da saukin shigar da ND farantin karfe a daban-daban ruwan tabarau.

Idan kana so ka yi amfani da kawai tace tare da zare, shi ne mafi alhẽri a zabi, tare da mataki-saukar zobba a cikin kantin sayar da daya tace ga ruwan tabarau tare da most diamita cewa za a haɗe zuwa sauran tace tsarin.